<template>
  <div class="login-container">
    <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form" auto-complete="on"
             label-position="left">

      <div class="title-container">
        <h3 class="title">Login AegisCloud</h3>
      </div>

      <el-form-item>
        <span class="svg-container">
          <svg-icon icon-class="user"/>
        </span>
        <el-input ref="username" v-model="loginForm.username" placeholder="Username" name="username" type="text"
                  tabindex="1" auto-complete="on"/>
      </el-form-item>

      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="password"/>
        </span>
        <el-input :key="passwordType" ref="password" v-model="loginForm.password" :type="passwordType"
                  placeholder="Password" name="password" tabindex="2" auto-complete="on"
                  @keyup.enter.native="handleLogin"/>
        <span class="show-pwd" @click="showPwd">
          <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'"/>
        </span>
      </el-form-item>

      <!-- 验证码 -->
      <el-form-item style="width: 50%;height: 50px;">
        <span class="svg-container">
          <svg-icon icon-class="example"/>
        </span>
        <el-input ref="password" v-model="loginForm.securityCode" tabindex="3" auto-complete="on"/>

        <el-image class="verifyImg" :src="verUrl" fit="contain" @click="refVerificationCode"></el-image>
      </el-form-item>


      <!-- 邮箱 -->
      <el-form-item :class="isEMail === true ?'show_type':'none_type'">
        <span class="svg-container">
          <svg-icon icon-class="email"/>
        </span>
        <el-input ref="password" v-model="loginForm.eMail" tabindex="3" auto-complete="on"/>
      </el-form-item>

      <el-button :loading="loading" type="primary" style="width:48%;margin-bottom:30px;margin-top: 20px;"
                 @click.native.prevent="handleLogin"> Login
      </el-button>

      <el-button :loading="loading" type="info" style="width:48%;margin-bottom:30px;margin-top: 20px;"
                 @click.native.prevent="handleRegister"> Register
      </el-button>
      <div class="tips">
        <span style="margin-right:20px;margin-top: 10px;">Developed by XiaoZhengRS | © AegisCloud Lua inc.</span>
      </div>

    </el-form>
  </div>

</template>

<script>
import {
  validUsername
} from '@/utils/validate'

import {
  MessageBox,
  Message
} from 'element-ui'

import {
  api_login,
  api_verifyToken,
  api_register
} from "@/api/user"

import {
  getToken,
  setToken,
  removeToken
} from '@/utils/auth'

export default {
  name: 'Login',
  data() {
    const validatePassword = (rule, value, callback) => {
      if (value.length < 6) {
        callback(new Error('密码不能小于6位'))
      } else {
        callback()
      }
    }
    return {
      loginForm: {
        username: 'xiaozhengrs',
        password: 'xiaozhengrs',
        securityCode: '',
        eMail: ""
      },
      loginRules: {
        password: [{
          required: true,
          trigger: 'blur',
          validator: validatePassword
        }]
      },
      loading: false,
      passwordType: 'password',
      redirect: undefined,
      verUrl: '',
      verifyDate: "",
      isEMail: false
    }
  },
  watch: {
    $route: {
      handler: function (route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  mounted() {
    this.refVerificationCode()
  },
  created() {
    this.isLogin();
  },
  methods: {
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    async handleRegister() {
      //进行注册操作
      if (this.isEMail === false) {
        this.isEMail = true
        Message({
          message: '请输入邮箱完成注册! ',
          type: 'warning',
          duration: 3 * 1000
        })
        return
      }

      const res = await api_register(
        this.loginForm.eMail,
        this.loginForm.username,
        this.loginForm.password,
        this.verifyDate,
        this.loginForm.securityCode)
      if (res === null) return;
      this.$message.success('注册成功!');
    },
    async handleLogin() {
      //进行登录操作
      const res = await api_login(this.loginForm.username, this.loginForm.password, this.verifyDate, this.loginForm
        .securityCode)
      if (res === null) return;
      setToken(res.data.tokenValue)
      localStorage.setItem('ms_permission', res.data_standby);
      this.$message.success('登录成功');
      this.$router.push('/');
    },
    async isLogin() {
      const CToken = getToken();
      if (CToken != null) {
        const res = await api_verifyToken();
        this.$message.success(res.msg);
        localStorage.setItem('ms_permission', res.data_standby);
        this.$router.push('/');
      }
    },
    getTime() {
      this.verifyDate = Date.now();
      return this.verifyDate;
    },
    refVerificationCode() {
      this.verUrl = 'http://127.0.0.1:2333/web/open/GenerateVerificationCode?date=' + this.getTime();
    },
  }
}
</script>

<style lang="scss">
.show_type {
}

.none_type {
  display: none
}

.verifyImg {
  position: relative;
  display: inline-block;
  right: -110%;
  top: -55px;

  height: 100%;

  border: 1px solid rgba(85, 255, 0, 0.9);
  border-radius: 3px 3px 0 0;

  opacity: .9;
  transition: all .35s;
}

.verifyImg:hover {

  opacity: .95;
  cursor: pointer;

}

.verifyImg:focus {

  border: 1px solid #000000;

}

.verifyImg:active {

  transform: scale(.95);

}

/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg: #1e1243;
$light_gray: #fff;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    color: #454545;
  }
}
</style>

<style lang="scss" scoped>
$bg: #7950ff;
$dark_gray: #00aaff;
$light_gray: #eee;

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;

  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;
  }

  .tips {
    font-size: 16px;
    color: #fff;
    margin-bottom: 18px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: #2a2a2a;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
</style>
